Inherited or Acquired?
Punnett Squares
Types of Traits
History of Genetics
The Basics
100
An unattached ear lobe, a rolled tongue, and a hitchhiker's thumb are all examples of these.
What are INHERITED TRAITS?
100

In tomatoes, red fruit (R) is dominant over yellow fruit (r). A plant that is homozygous for red fruit is crossed with a plant that has yellow fruit. What will be the genotype and phenotype of the offspring?

Genotype: Rr

Phenotype: Red fruit

100
A ________ ________ is one that dominates, or masks, another form of that trait.
What is a DOMINANT TRAIT?
100

What would a genotype be for someone who is homozygous recessive?

rr

100
The scientific word for a child
What is OFFSPRING?
200
A scar or pierced ears are examples of these.
What are ACQUIRED TRAITS?
200

In pea plants, round (R) is dominant over wrinkled (r). A heterozygous female is crossed with a wrinkled male. Make a Punnett Square to determine the possible offspring.

    R            r

r   Rr          rr

r   Rr          rr

200
This kind of letter is used for a dominant trait.
What is a CAPITAL LETTER?
200
BONUS: Mendel studied these types of plants. **You may use your textbook as a resource for this question.
What are PEA PLANTS?
200
The study of how traits are passed from parents to offspring.
What is HEREDITY?
300
An ________ __________ is a trait that an offspring receives from its parents.
What is INHERITED TRAIT?
300

In pea plants, round (R) is dominant over wrinkled (r). A heterozygous female is crossed with a wrinkled male. 

What is the probability that the offspring will be wrinkled? 

What is 50%?

300
This kind of letter is used for a recessive trait.
What is a LOWERCASE LETTER?
300

Heterozygous is represented by what genotype? 

Bb

300
The chemical instructions for traits found in the nucleus of a cell
What are GENES?
400
A tattoo or dyed hair are examples of these.
What are ACQUIRED TRAITS?
400

Square jaws are recessive to round jaws. Is it possible for two parents with a square jaw to have children with a round jaw? 

No, it is not possible because the parents are only passing on recessive alleles. 

400
These type of traits tend to be expressed more frequently.
What are DOMINANT TRAITS?
400
BONUS: Austrian monk who studied and discovered the basic principles of heredity. **You may use your textbook as a resource for this question.
Who is GREGOR MENDEL?
400
Offspring receive inherited traits from these two people.
Who are MOTHER and FATHER?
500
A flower's color, a dog's ear shape, or a person's height are examples of these.
What are INHERITED TRAITS?
500

Square jaws are recessive to round jaws. Is it possible for two parents with a round jaw to have a child with a square jaw? 

Yes! But only if both parents are heterozygous

500
These type of traits are often masked by other traits.
What is a RECESSIVE TRAIT?
500

What would a genotype be for someone who is homozygous dominant?

BB

500
A new litter of rabbits has been born. One parent is white, which is a dominant trait, and the other parent is brown, which is a recessive trait. The babies are most likely this color.
What is WHITE?
M
e
n
u